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1.
Chinese Journal of Laboratory Medicine ; (12): 71-76, 2022.
Artículo en Chino | WPRIM | ID: wpr-934338

RESUMEN

Objective:To detect the genotype of carbapenase and investigate the drug sensibility of Ceftazidime-avibactam (CAZ/AVI) on carbapenem-resistant Enterobacteriaceae (CRE), and to provide evidence for rational use of antibacterial drugs in clinical practice. Methods:A total of 179 strains of CRE were isolated from clinical specimens of patients treated in Linyi People′s Hospital from January 2019 to December 2020. mCIM/eCIM test and GeneXpert were used to detect the genotype of carbapenemases. The drug sensibility of CAZ/AVI was detected by K-B test.Results:One hundred and seventy-four out of 179 strains of CRE were positive upon to mCIM test (97.2%), 147strains were positive upon to eCIM test (84.5%). There were 27 serine carbapenemase (15.5%) and 147 metallo-β-lactamase (84.5%). The results of Fluorescent quantitative PCR rapid detection system developed by Saipei GeneXpert were consistent with the results detected by mCIM/eCIM. In the drug sensitivity test, 58 out of 174 mCIM positive strains were sensitive to CAZ (33.3%), of which the sensitivity of 27 strains producing serine carbapenemase was 96.3% (26/27) and all 147 strains producing metallo-β-lactamase were drug-resistant to CAZ/AVI.Conclusions:The carbapenase genotype of CRE in Linyi region is mainly metal β-lactamase. The CRE producing serine carbapenemase is highly sensitive to CAZ/AVI. It is helpful to guide the rational clinical use of the CAZ/AVI according to the detection results of CRE with or without carbapenemase production capacities.

2.
Clinical Medicine of China ; (12): 26-31, 2019.
Artículo en Chino | WPRIM | ID: wpr-734087

RESUMEN

Objective To investigate the relationship between vWF levels and ADAMTS13 levels of DVT (venous thrombosis) in patients with cervical cancer,and then to evaluate the predictive value of vWF levels and ADAMTS13 levels of cervical cancer patients with DVT. Methods A total of sixty-six patients diagnosed as cervical cancer and treated from June 2015 to June 2016 in Weinan Maternal and Child Health Hospital were enrolled,and their baseline data,pathological type,tumor classification,TNM staging,vWF, ADAMTS13 levels and Autar score were recorded. All patients were followed up for 1 year and the patients with adverse outcomes were defined as poor prognosis group during the follow-up period while the patients whose disease progression free were defined as good prognosis group. Univariate analysis showed that the incidence of venous thrombosis in patients with cervical cancer was affected; Cox proportional hazard model further assessed the impact of all statistically significant factors on the occurrence of venous thrombosis in patients; t test showed the distribution of influential factors between the two groups; ROC curve was used to analyze the sensitivity and specificity of vWF and ADAMTS13 levels in predicting the occurrence of venous thrombosis in cervical cancer patients. Results At the end of the follow-up,among the 66 patients,Six were not followed and 40 had good prognosis without venous thrombosis,which was a good prognosis group; Twenty had poor prognosis,i. e. venous thrombosis,which was a poor prognosis group,including 5 deaths. The poor prognosis rate was 30. 30%. Univariate Cox proportional hazard model results showed that vWF (P=0. 023, (95%CI: 1. 743-1. 215)) and ADAMTS13 (P=0. 037,(95%CI: 1. 158-1. 566)) had a significant effect on the patients with venous thrombosis. The levels of vWF (( 0. 535 ± 0. 075) μg/L) and ADAMTS13 ((69. 453±10. 284)%) in good prognosis group were significantly lower than those in poor prognosis group ((0. 592 ± 0. 082 ) μg/L, ( 79. 245 ± 11. 477 )%), and the differences between the two groups were statistically significant (t=2. 690,3. 345,P<0. 05). Under ROC curve,the AUC of vWF level was 0. 841,the sensitivity and specificity were 55% and 97. 5% respectively,and that of ADAMTS13 level was 0. 906,the sensitivity and specificity were 85% and 80%,respectively. Conclusion The levels of vWF and ADAMTS13 have a good predictive effect on the occurrence of venous thrombosis in patients with cervical cancer. It is expected to be used as a routine evaluation index to predict the occurrence of venous thrombosis in patients with cervical cancer after treatment.

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